Lisa accidentally walks in on Bart during a bath, and she sees his "hot dog". And she likes it. Thinking that Bart feels the same was she does, she makes a move on him only to have her feelings dashed and she is heartbroken. She cries late into the night. While everyone is asleep, she is still wide awake from the rejection. He decides to do something about it. She sneaks into Bart's room and ties him to the bed. When Bart wakes up, Lisa laughs maniacally and she proceeds to bite of his "hot dog". Bart then screams in terror.